/*
 * 版权所有 (C) 2015 知启蒙(ZHIQIM) 保留所有权利。[遇见知启蒙，邂逅框架梦]
 * 
 * https://zhiqim.org/project/zhiqim_framework/zhiqim_orm.htm
 *
 * Zhiqim ORM is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
package org.zhiqim.orm.config;

import java.io.IOException;
import java.io.InputStream;

import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

import org.zhiqim.kernel.util.Resources;
import org.zhiqim.orm.ORMConstants;

/**
 * 实现DTD本地验证,这样则不要到zhiqim.org下载验证 <br>
 */
public class ZSQLResolver implements EntityResolver, ORMConstants
{
    @Override
    public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException 
    {
        if (Z_SQL_CONFIG_DTD_PUBLIC_ID.equals(publicId))
        {
            InputStream stream = Resources.getResourceStream(ZSQLResolver.class, Z_SQL_CONFIG_DTD_PATH);
            return new InputSource(stream);
        }
        
        return null;
    }
}
